(a) The values shown by Shalini are :
(i) high degree of general awareness,
(ii) ability to take quick decisions,
(iii) concern for her aunt, and
(iv) helping and caring nature.
(b) Microwave oven works because the microwaves of a particular wavelength are very strongly absorbed by water. The energy carried by the microwaves heats the water up. Generally, all food items contain 1 a lot of Welter, they can be heated and cooked very quickly in microwave oven. In this way, the microwaves heat the food item throughout its j volume, not just from the outside as in a normal oven.